0N/A/*
2362N/A * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
0N/A *
0N/A * Redistribution and use in source and binary forms, with or without
0N/A * modification, are permitted provided that the following conditions
0N/A * are met:
0N/A *
0N/A * - Redistributions of source code must retain the above copyright
0N/A * notice, this list of conditions and the following disclaimer.
0N/A *
0N/A * - Redistributions in binary form must reproduce the above copyright
0N/A * notice, this list of conditions and the following disclaimer in the
0N/A * documentation and/or other materials provided with the distribution.
0N/A *
2362N/A * - Neither the name of Oracle nor the names of its
0N/A * contributors may be used to endorse or promote products derived
0N/A * from this software without specific prior written permission.
0N/A *
0N/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
0N/A * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
0N/A * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
0N/A * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
0N/A * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
0N/A * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
0N/A * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
0N/A * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
0N/A * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
0N/A * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
0N/A * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0N/A */
0N/A
4378N/A/*
4378N/A * This source code is provided to illustrate the usage of a given feature
4378N/A * or technique and has been deliberately simplified. Additional steps
4378N/A * required for a production-quality application, such as security checks,
4378N/A * input validation and proper error handling, might not be present in
4378N/A * this sample code.
4378N/A */
4378N/A
4378N/A
0N/Aimport java.io.*;
0N/Aimport java.nio.channels.*;
0N/Aimport java.util.*;
0N/A
0N/A/**
0N/A * A Multi-threaded dispatcher.
0N/A * <P>
0N/A * In this example, one thread does accepts, and the second
0N/A * does read/writes.
0N/A *
0N/A * @author Mark Reinhold
0N/A * @author Brad R. Wetmore
0N/A */
0N/Aclass DispatcherN implements Dispatcher {
0N/A
0N/A private Selector sel;
0N/A
0N/A DispatcherN() throws IOException {
0N/A sel = Selector.open();
0N/A }
0N/A
0N/A public void run() {
0N/A for (;;) {
0N/A try {
0N/A dispatch();
0N/A } catch (IOException x) {
0N/A x.printStackTrace();
0N/A }
0N/A }
0N/A }
0N/A
0N/A private Object gate = new Object();
0N/A
0N/A private void dispatch() throws IOException {
0N/A sel.select();
0N/A for (Iterator i = sel.selectedKeys().iterator(); i.hasNext(); ) {
0N/A SelectionKey sk = (SelectionKey)i.next();
0N/A i.remove();
0N/A Handler h = (Handler)sk.attachment();
0N/A h.handle(sk);
0N/A }
0N/A synchronized (gate) { }
0N/A }
0N/A
0N/A public void register(SelectableChannel ch, int ops, Handler h)
0N/A throws IOException {
0N/A synchronized (gate) {
0N/A sel.wakeup();
0N/A ch.register(sel, ops, h);
0N/A }
0N/A }
0N/A
0N/A}